Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Quando foi fundada a escola privada/não sectária?
 ###Tabelas: CREATE TABLE current_members (current_members_id AUTO_INCREMENT PRIMARY KEY, Institution VARCHAR, Location VARCHAR, Nickname VARCHAR, Founded INT, Type VARCHAR, Enrollment INT, Joined INT) CREATE TABLE waterford_and_limerick_railway (waterford_and_limerick_railway_id AUTO_INCREMENT PRIMARY KEY, Year VARCHAR, Type VARCHAR, Nos. VARCHAR, GSWR Class INT, GSWR Nos. VARCHAR, GSR Class VARCHAR, Inchicore Class VARCHAR, Withdrawn VARCHAR) CREATE TABLE house_of_oldenburg (house_of_oldenburg_id AUTO_INCREMENT PRIMARY KEY, Birth VARCHAR, Marriage VARCHAR, Became Consort VARCHAR, Ceased to be Consort VARCHAR, Death VARCHAR, Spouse VARCHAR) CREATE TABLE girls_league_championships (girls_league_championships_id AUTO_INCREMENT PRIMARY KEY, School Year VARCHAR, Volleyball VARCHAR, Cross Country VARCHAR, Soccer VARCHAR, Tennis VARCHAR, Golf VARCHAR, Basketball VARCHAR, Swimming VARCHAR, Softball VARCHAR, Track & Field VARCHAR) CREATE TABLE complete_formula_one_world_championship_results (complete_formula_one_world_championship_results_id AUTO_INCREMENT PRIMARY KEY, Year INT, Entrant VARCHAR, Chassis VARCHAR, Engine VARCHAR, Points INT)  
SELECT Founded FROM current_members WHERE Type = Private/Non-sectarian